MetallurgyHard
Question
Which of the following pair consists of ore of the same metal?
Options
A.Bauxite, Limonite
B.Haematite, Siderite
C.Cinnabar, Cassiterite
D.Galena, Cerrusite
Solution
(A) Bauxite is Al2O3 and limonite is Fe2O3.3H2O.
(B) Haematite is Fe2O3 and siderite is FeCO3 .
(C) Cinnabar is HgS and cassiterite is SnO2.
(D) Galena is PbS and cerrusite is PbCO3
(B) Haematite is Fe2O3 and siderite is FeCO3 .
(C) Cinnabar is HgS and cassiterite is SnO2.
(D) Galena is PbS and cerrusite is PbCO3
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